Let the App Store download the update and let it run the first part of the install and reboot
On Reboot, boot from USB Installer to Boot macOS from HighSierraAMD and run preinstall command
On Reboot, boot from USB Installer to Boot Install from YOURDRIVENAME and let install run and reboot
On Reboot, boot from USB Installer to Boot macOS from HighSierraAMD and run amd command and reboot
On Reboot, boot from YOUR Clover installation to your hard drive.